Pertaining to a group of peoples mostly inhabiting Alaska, western Canada, the Pacific coast of California and Oregon, and the Navajo and Apache peoples in the American Southwest.

2015, The Guardian, 31 August:

“I’d like to thank the president for working with us to achieve this significant change to show honour, respect and gratitude to the Athabascan people of Alaska,” said Senator Lisa Murkowski, a Republican who led the fight for the name change in Congress.